About the role#
This internship supports the modeling and simulation of energy storage technologies, including lead-acid, lithium-ion, sodium-ion, and supercapacitors. You will work on structural, thermal, fluid, electrochemical, and multiphysics models to help guide product development, cost optimization, and validation efforts.
What you'll do#
- Build and run FEA and CFD models to support engineering design and validation.
- Compare simulation results with laboratory testing to assist in root cause analysis.
- Create automation workflows using Python to improve simulation efficiency.
- Work with Product Engineering, Validation, Manufacturing, and Advanced Technology teams on engineering challenges.
- Contribute to digital engineering projects, including digital twins, simulation automation, and AI-enabled workflows.
- Apply engineering fundamentals to develop predictive models for energy storage systems using tools such as ANSYS Mechanical, Fluent, LS-DYNA, Twin Builder, Altair HyperWorks, ANSA, and optiSLang.
What you'll need#
- Current enrollment as a full-time student at an accredited U.S. college or university.
- Pursuit of an undergraduate degree in Mechanical, Computational, Electrical, Chemical, or Materials Engineering, Applied Physics, or a related field.
- Ability to be in the greater Milwaukee area during the summer of 2027.
Location & details#
- Location: Milwaukee, Wisconsin.
- Term: Summer 2027.
- Schedule: Full-time, up to 40 hours per week.
- Modality: Hybrid. You will need a quiet workspace for remote tasks and the ability to maintain regular contact with your team.
About Clarios
Clarios produces advanced battery technologies for various vehicle types. The company operates within the motor vehicle parts manufacturing industry. It manufactures over 150 million batteries each year. This output accounts for one-third of the global industry production. The firm is based in Glendale, Wisconsin, and employs over 10,000 people.
How to get in at Clarios
Applying early to Clarios gives you a distinct advantage because recruiters review applications before the pile grows. Intern Insider sends an instant alert the moment a role matching your target is published, helping you secure a spot at the front of the line. It is a practical way to ensure you do not miss out on new openings. You can also improve your response rates by reaching out to the recruiters behind these roles directly. Intern Insider surfaces the specific people managing the hiring process so you can ask about the role or a referral. This direct approach often works better than sending your resume into a queue.



